Xeon w5-2545 vs i5-6400

VS

Aggregate performance score

Core i5-6400
2015
4 cores / 4 threads, 65 Watt
3.41
Xeon w5-2545
2024
12 cores / 24 threads, 210 Watt
26.24
+670%

Xeon w5-2545 outperforms Core i5-6400 by a whopping 670% based on our aggregate benchmark results.

Primary details

Comparing Core i5-6400 and Xeon w5-2545 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1564188
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.7883.24
Market segmentDesktop processorServer
SeriesIntel Core i5no data
Power efficiency4.9611.83
Architecture codenameSkylake (2015−2016)Sapphire Rapids (2023−2024)
Release date1 September 2015 (9 years ago)24 August 2024 (less than a year ago)
Launch price (MSRP)$187$889

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon w5-2545 has 10572% better value for money than i5-6400.

Detailed specifications

Core i5-6400 and Xeon w5-2545 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores4 (Quad-Core)12 (Dodeca-Core)
Threads424
Base clock speed2.7 GHz3.5 GHz
Boost clock speed3.3 GHz4.7 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
Multiplier27no data
L1 cache256 KB80 KB (per core)
L2 cache1 MB2 MB (per core)
L3 cache6 MB (shared)30 MB
Chip lithography14 nmIntel 7 nm
Die size122 mm2no data
Maximum case temperature (TCase)72 °C74 °C
64 bit support++
Windows 11 compatibility-no data

Compatibility

Information on Core i5-6400 and Xeon w5-2545 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration1 (Uniprocessor)1
SocketFCLGA1151FCLGA4677
Power consumption (TDP)65 Watt210 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-6400 and Xeon w5-2545. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI++
AVX++
vPro++
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology2.02.0
Hyper-Threading Technology-+
TSX-+
Idle States+no data
Thermal Monitoring+-
Turbo Boost Max 3.0no data+
Deep Learning Boost-+

Security technologies

Core i5-6400 and Xeon w5-2545 technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++
Secure Key+no data
MPX+-
Identity Protection+-
SGXYes with Intel® ME-
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-6400 and Xeon w5-2545 are enumerated here.

AMD-V+-
VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-6400 and Xeon w5-2545. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4DDR5-4800
Maximum memory size64 GB2 TB
Max memory channels24
Maximum memory bandwidth34.134 GB/sno data
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 530N/A
Max video memory64 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency950 MHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i5-6400 and Xeon w5-2545 integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort+-
HDMI+-
DVI+no data

Graphics image quality

Maximum display resolutions supported by Core i5-6400 and Xeon w5-2545 integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2304@24Hzno data
Max resolution over eDP4096x2304@60Hzno data
Max resolution over DisplayPort4096x2304@60Hzno data
Max resolution over VGAN/Ano data

Graphics API support

APIs supported by Core i5-6400 and Xeon w5-2545 integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i5-6400 and Xeon w5-2545.

PCIe version3.05.0
PCI Express lanes1664

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

i5-6400 3.41
Xeon w5-2545 26.24
+670%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i5-6400 5417
Xeon w5-2545 41688
+670%

Gaming performance

Pros & cons summary


Performance score 3.41 26.24
Recency 1 September 2015 24 August 2024
Physical cores 4 12
Threads 4 24
Power consumption (TDP) 65 Watt 210 Watt

i5-6400 has 223.1% lower power consumption.

Xeon w5-2545, on the other hand, has a 669.5% higher aggregate performance score, an age advantage of 8 years, and 200% more physical cores and 500% more threads.

The Xeon w5-2545 is our recommended choice as it beats the Core i5-6400 in performance tests.

Note that Core i5-6400 is a desktop processor while Xeon w5-2545 is a server/workstation one.


Should you still have questions on choice between Core i5-6400 and Xeon w5-2545, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i5-6400
Core i5-6400
Intel Xeon w5-2545
Xeon w5-2545

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


3.5 1247 votes

Rate Core i5-6400 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
5 2 votes

Rate Xeon w5-2545 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i5-6400 or Xeon w5-2545, agree or disagree with our judgements, or report an error or mismatch.